Function SchemaEqualsWithMetadata

cpp/src/arrow/type_benchmark.cc:148–171

}

static void SchemaEqualsWithMetadata(
    benchmark::State& state) {  // NOLINT non-const reference
  auto schemas = SampleSchemas();

  auto schema1 = schemas[0];
  auto schema2 = schemas[1];
  auto schema3 = schemas[2];

  auto md1 = key_value_metadata({"k1", "k2"}, {"some value1", "some value2"});
  auto md2 = key_value_metadata({"k1", "k2"}, {"some value1", "some value2"});
  auto md3 = key_value_metadata({"k2", "k1"}, {"some value2", "some value1"});

  schema1 = schema1->WithMetadata(md1);
  schema2 = schema1->WithMetadata(md2);
  schema3 = schema1->WithMetadata(md3);

  int64_t total = 0;
  for (auto _ : state) {
    total += schema1->Equals(*schema2);
    total += schema1->Equals(*schema3);
  }
  benchmark::DoNotOptimize(total);
  state.SetItemsProcessed(state.iterations() * 2);
}

// ------------------------------------------------------------------------
// Micro-benchmark various error reporting schemes